Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima
This study aimed to assess the health and welfare of turbot juveniles fed with experimental diets containing graded levels of a mixture of plant protein, by means of blood chemistry analyses including stress and metabolic indicators. Four extruded isonitrogenous (51%) and isolipidic diets (16%) were...
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ftunibolognairis:oai:cris.unibo.it:11585/106405 2024-04-14T08:20:38+00:00 Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima P. Di Marco A. Priori T. Petochi A. Longobardi V. Donadelli M. G. Finoia R. Fontanillas G. Marino GATTA, PIER PAOLO BONALDO, ALESSIO PARMA, LUCA P. Di Marco A. Priori T. Petochi A. Longobardi V. Donadelli M.G. Finoia P.P. Gatta A. Bonaldo L. Parma R. Fontanilla G. Marino 2011 ELETTRONICO http://hdl.handle.net/11585/106405 eng eng s.n place:s.l ispartofbook:Mediterranean Aquaculture 2020 Aquaculture Europe 11 firstpage:269 lastpage:270 numberofpages:2 http://hdl.handle.net/11585/106405 PSETTA MAXIMA GROWTH WELFARE PLANT PROTEINS info:eu-repo/semantics/conferenceObject 2011 ftunibolognairis 2024-03-21T17:19:14Z This study aimed to assess the health and welfare of turbot juveniles fed with experimental diets containing graded levels of a mixture of plant protein, by means of blood chemistry analyses including stress and metabolic indicators. Four extruded isonitrogenous (51%) and isolipidic diets (16%) were manufactured by Skretting ARC, Stavanger, Norway: a reference diet (diet D) contained 50% fish meal and three other diets in which fish meal was progressively reduced to 35% (diet C), 20% (diet B) and 5% (diet A) by proportionally increasing the level of wheat gluten meal, soybean meal and soy protein concentrate. Turbot juveniles (Initial weight 9.68 g ± 0.98 g) were reared in 500 l square recirculating tanks at 18°C (n= 55 fish per tank). The trial was performed in triplicate and lasted 9 weeks. Blood was withdrawn from the caudal vein, serum was collected after centrifugation and stored at -80°C for analyses of cortisol (COR), glucose (GLU), osmolality (OSM), non-esterefied fatty acids (NEFA), triglycerides (TAG), cholesterol (CHO), total protein (TP), urea (BUN), aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phophatase (ALP). Biometric measurements and autoptical analysis were also performed. One-way ANOVA and discriminant analysis were applied to data set to test the effects of dietary treatment. Experimental diets significantly affected growth and metabolic status of turbot juveniles (ANOVA p<0.05 for PT, LT, COR, TAG, CHO, NEFA, TP, BUN, ALP). At the end of experiment, a progressive reduction of size and serum concentration of TAG, CHO, NEFA, TP, BUN levels were observed in fish fed C, B and A diets, whereas a significant cortisol increase was found only in fish fed diets containing equal or less than 20% of fish meal. Although not significantly, the levels of GLU and ALT were higher in A and B diets compared to C and D. Only CHO, NEFA and BUN were different between C and D diets. Osmolality as well as hepatosomatic and splenosomatic indices did not change among diets. ... Conference Object Turbot IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) Norway |
institution |
Open Polar |
collection |
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) |
op_collection_id |
ftunibolognairis |
language |
English |
topic |
PSETTA MAXIMA GROWTH WELFARE PLANT PROTEINS |
spellingShingle |
PSETTA MAXIMA GROWTH WELFARE PLANT PROTEINS P. Di Marco A. Priori T. Petochi A. Longobardi V. Donadelli M. G. Finoia R. Fontanillas G. Marino GATTA, PIER PAOLO BONALDO, ALESSIO PARMA, LUCA Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima |
topic_facet |
PSETTA MAXIMA GROWTH WELFARE PLANT PROTEINS |
description |
This study aimed to assess the health and welfare of turbot juveniles fed with experimental diets containing graded levels of a mixture of plant protein, by means of blood chemistry analyses including stress and metabolic indicators. Four extruded isonitrogenous (51%) and isolipidic diets (16%) were manufactured by Skretting ARC, Stavanger, Norway: a reference diet (diet D) contained 50% fish meal and three other diets in which fish meal was progressively reduced to 35% (diet C), 20% (diet B) and 5% (diet A) by proportionally increasing the level of wheat gluten meal, soybean meal and soy protein concentrate. Turbot juveniles (Initial weight 9.68 g ± 0.98 g) were reared in 500 l square recirculating tanks at 18°C (n= 55 fish per tank). The trial was performed in triplicate and lasted 9 weeks. Blood was withdrawn from the caudal vein, serum was collected after centrifugation and stored at -80°C for analyses of cortisol (COR), glucose (GLU), osmolality (OSM), non-esterefied fatty acids (NEFA), triglycerides (TAG), cholesterol (CHO), total protein (TP), urea (BUN), aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phophatase (ALP). Biometric measurements and autoptical analysis were also performed. One-way ANOVA and discriminant analysis were applied to data set to test the effects of dietary treatment. Experimental diets significantly affected growth and metabolic status of turbot juveniles (ANOVA p<0.05 for PT, LT, COR, TAG, CHO, NEFA, TP, BUN, ALP). At the end of experiment, a progressive reduction of size and serum concentration of TAG, CHO, NEFA, TP, BUN levels were observed in fish fed C, B and A diets, whereas a significant cortisol increase was found only in fish fed diets containing equal or less than 20% of fish meal. Although not significantly, the levels of GLU and ALT were higher in A and B diets compared to C and D. Only CHO, NEFA and BUN were different between C and D diets. Osmolality as well as hepatosomatic and splenosomatic indices did not change among diets. ... |
author2 |
P. Di Marco A. Priori T. Petochi A. Longobardi V. Donadelli M.G. Finoia P.P. Gatta A. Bonaldo L. Parma R. Fontanilla G. Marino |
format |
Conference Object |
author |
P. Di Marco A. Priori T. Petochi A. Longobardi V. Donadelli M. G. Finoia R. Fontanillas G. Marino GATTA, PIER PAOLO BONALDO, ALESSIO PARMA, LUCA |
author_facet |
P. Di Marco A. Priori T. Petochi A. Longobardi V. Donadelli M. G. Finoia R. Fontanillas G. Marino GATTA, PIER PAOLO BONALDO, ALESSIO PARMA, LUCA |
author_sort |
P. Di Marco |
title |
Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima |
title_short |
Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima |
title_full |
Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima |
title_fullStr |
Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima |
title_full_unstemmed |
Effects of plant protein diets on health and welfare of turbot juveniles Psetta maxima |
title_sort |
effects of plant protein diets on health and welfare of turbot juveniles psetta maxima |
publisher |
s.n |
publishDate |
2011 |
url |
http://hdl.handle.net/11585/106405 |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Turbot |
genre_facet |
Turbot |
op_relation |
ispartofbook:Mediterranean Aquaculture 2020 Aquaculture Europe 11 firstpage:269 lastpage:270 numberofpages:2 http://hdl.handle.net/11585/106405 |
_version_ |
1796298996784824320 |